| Value | Category | Cases | |
|---|---|---|---|
| -1 | 571 |
6.9%
|
|
| 0 | 5756 |
69.4%
|
|
| 1 | 1378 |
16.6%
|
|
| 2 | 330 |
4%
|
|
| 3 | 58 |
0.7%
|
|
| 4 | 61 |
0.7%
|
|
| 5 | 16 |
0.2%
|
|
| 6 | 21 |
0.3%
|
|
| 8 | 20 |
0.2%
|
|
| 15 | 84 |
1%
|
|
| Sysmiss | 515 |